Massachusetts 84th State House District · the strongest Democratic and Republican presidential performances recorded here, measured three ways.
1892–2024 (partial returns from 1876) · 38 presidential cycles · 38 with a vote-share denominator · 34 with a national benchmark
Highest vote share
Largest share of the presidential candidate vote cast here.
Democratic
Lyndon B. Johnson1964
92.9%
14,597 votes · D+86.2 · modeled estimate
Runner-up · Joe Biden, 2020 · 89.3%
Republican
William McKinley1896
40.4%
474 votes · D+6.2 · modeled estimate
Runner-up · Warren G. Harding, 1920 · 35.5%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Joe Biden2020
19,452votes
89.3% of the vote · D+80.5 · modeled estimate
Runner-up · Kamala Harris, 2024 · 17,473 votes
Republican
Dwight D. Eisenhower1956
2,688votes
27.1% of the vote · D+45.4 · modeled estimate
Runner-up · Ronald Reagan, 1984 · 2,474 votes
Best relative to the U.S.
This Place’s margin against the national margin in the same election — positive when it leaned toward the party more than the country did.
Democratic
George McGovern1972
+92.0pts D vs U.S.
Place D+68.8 · U.S. R+23.2 · modeled estimate
Runner-up · Walter Mondale, 1984 · +80.7 pts
Republican
William McKinley1896
−12.3pts R vs U.S.
Place D+6.2 · U.S. R+6.1 · modeled estimate
Runner-up · William H. Taft, 1912 · −25.9 pts
current representation
Current officeholders
DMike ConnollyState House · 26th Middlesex
State legislative officeholder from OpenStates nightly current-legislator data.
U.S. House elections · 2 House
Senate and governor results are in the Office selector at the top of this page.
U.S. House
Each row is a county-allocated estimate of U.S. House votes for this district — county returns apportioned onto its boundary, not precinct-counted. “Vote lead” is the estimated local lead here, not necessarily the winner of the full contest.
Source · Akashic county-allocated estimate from certified county returns, House; not precinct-counted.
Year
Vote lead
Democratic
Republican
Total
2024
D
100.0%17,440
0.0%0
17,440
2020
D
80.6%17,600
19.4%4,231
21,831
The 26th Middlesex posted a 2024 presidential margin exceeding 72 points Democratic, placing it among the most one-sided state house districts in the commonwealth and reflecting a dense, highly educated urban core.
Across the recorded series it reached a Democratic high of 86.2 points in 1964. Between 2020 and 2024 the district moved 6.5 points toward the Republican candidate; the 2024 margin was 74.0 points.
A population of 46,024, a 53% non-Hispanic-white share, and a median household income of $125,587 describe the district. The district's voting pattern over the last decade is most similar to that of 25th Middlesex District and 34th Middlesex District.
Akashic
Political twins — state-house districts
The state-house districts whose fingerprint — 2000–2024 trajectory, demographics, ancestry, religion — sits closest to this one, and why.
Twin score (0–100) = weighted cosine between tier-standardized fingerprints: presidential margins 2000–2024 with 12-yr trend and elasticity, ACS income, age, education, population and race, top reported ancestries, and religious adherence — chips name the closest-shared dimensions and the widest gap. Re-weight the groups in the twins explorer.
Compare two places, side by side
Twelve curated comparisons line up election history, demographics, and the divergence story for two places at a glance. Browse all comparisons → · Or open the source-auditable district brief for electoral baseline, electorate, current-cycle coverage, geography, official dates, and methodology. Open campaign intelligence report →
Cite this page
All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
Massachusetts 84th State House District. Akashic. https://akashic.app/sld-lower/25084/. Accessed May 20, 2026. License: CC BY 4.0.
How did Massachusetts 84th State House District vote in 2024?
In 2024, Massachusetts 84th State House District voted Democratic by 74.0 points (D+74.0), carried by the Democratic candidate. Out of 20,540 votes cast, 17,473 went Democratic and 2,282 went Republican.
How many people live in Massachusetts 84th State House District?
Massachusetts 84th State House District has a population of 46,024 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Massachusetts 84th State House District?
Median household income in Massachusetts 84th State House District is $125,587 — above the national median of $80,734. The Massachusetts state median is $103,960.
What is the political history of Massachusetts 84th State House District?
Akashic tracks 38 presidential elections in Massachusetts 84th State House District from 1876 to 2024. Of those, 38 went Democratic and 0 went Republican.